Kalmar "Decapoda" tana nufin babban tsari na crustaceans wanda ya haɗa da dabbobi kamar kaguwa, lobsters, crayfish, da shrimp. Sunan "Decapoda" ya fito ne daga kalmomin Helenanci "deka," ma'ana goma, da "pous," ma'ana ƙafa, wanda ke nufin ƙafafu goma da waɗannan dabbobin suke da su.
